Office Accessories -4 Point Adjustable Butterfly Muffler Pneumatic Solenoid Valve Highlights Generic Brand 4 Point Adjustable Butterfly Muffler Pneumatic Solenoid Valve Description: The muffler/silencer is used to reduce the dynamic noise of the pneumatic or exhaust components of the engine. device. Easy to install, efficient deceleration, fast and reliable connection Used for: cylinders, valves, crankcases, gearboxes, oil tanks, fuel tanks, pneumatic tools. Extend valve life by filtering exhaust and intake of dirt and potential foreign matter. Noise dampening during pressure equalization. Package includes: 1 x Silencer Airflow Speed Regulator Specification: NPT Silencer Airflow Speed Regulator Filter Element: Bronze Sample Working Pressure: 0-116 PSI, Working Temperature: -10 to + 70C Material: copper material One point represents G1/8, and the thread diameter is about 9.5-10mm. 2 points for G1/4, thread diameter about 12-12.5mm 3 points for G3/8, thread diameter about 16-16.2mm 4 points for G1/2, thread diameter about 20-20.3mm The package includes: 1 piece muffler